Regarding missprints and error cards, here are some useful links
To begin with, its important to understand that the value of a Pokmon card is influenced by several key factors
Character Power - Premium Trainers Full Art Lillie and Acerola cards tap into character-driven collecting trends
Youll find iconic favorites like Pikachu Portrait, Ash and Pikachu, Starter Trio, Charizard Roaring, Pokeball Catch, Mewtwo Levitating, and Snorlax Napping, along with exciting scenes such as Gym Battle and Professor Oaks Lab-perfect for young artists eager to color their dream teams
Illustrated by: GodMachine Not Legal Traditional Standard Not Legal Traditional Alchemy Not Legal Traditional Explorer Rulings 2021-03-19 Because damage remains marked on a creature until the damage is removed as the turn ends, nonlethal damage dealt to one Relentless Rats may become lethal if another Relentless Rats leaves the battlefield during that turn